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首页:新闻技术 >> 托辊的发展及存在的问题
中国改革开放以来,国民经济高速发展,散料运输业出现了前所未有的增长,带式输送机已经逐步成为散料运输的主要手段。在煤矿井下运输巷道,带式输送机由过去的100-630T/h运输量、1.6-2m/S带速,向1500—7000T/h运输量、3.15-5.3m/S带速以上发展。带式输送机正朝着大型化复杂化方向发展,目前,最大装机功率达到25000kw,系统最长输送距离145km,单机最长输送距离20.3km,最大输送量20000t/h,最大带宽2800mm,最大带强ST7000,最大带速8.5m/s。 Since China's reform and opening up, the national economy has been developing at a high speed and the bulk transportation industry has experienced unprecedented growth. The belt conveyor has gradually become the main means of dispersance transportation. In the mine underground conveyance, belt conveyor is developed from the past 100-630t/h transport, 1.6-2m/S speed, to 1500-7000t/h transport, 3.15-5.3 m/S. Belt conveyor is developing in the direction of large-scale complex, at present, the largest installed power of 25000 kw, the system maximum transmission distance of 145 km, the longest single transmission distance of 20.3 km, the maximum throughput of 20000 t/h, maximum bandwidth 2800 mm, with strong ST7000, biggest biggest tape speed 8.5 m/s. 带式输送机的主要部件配套能力已经形成,如高压大型电机、软启动技术、大型减速机、制动器、高强度胶带等,唯有高速大承载托辊的技术指标滞后,不能很好地满足要求。 A major part of the belt conveyor supporting ability has been formed, such as high pressure, large motor soft start technology, large-scale reducer, brake, high-strength tape, etc., only has the high speed bearing roller of big technical indicators lag, not well meet the requirements. 托辊是带式输送机上承载载荷的部件,数量较多,它的质量好坏,影响到带式输送机的整体参数和质量。按当前的设计配置,托辊在带式输送机中占到总价的1/5---1/4,在深槽、高速、大运量、长距离带式输送机上,将近占到1/3,托辊是个消耗品,它的耗损值,居带式输送机运行成本的首位。 The roller is the load bearing part of belt conveyor, the quantity is more, its quality is good or bad, affecting the integral parameter and the quality of belt conveyor. According to the design of the current configuration, in belt conveyor roller make up about a quarter to 1/5 of the total value of the -- -, in deep groove, high speed, large capacity, long distance belt conveyor, account for nearly one-third, roller is a consumable, its loss value, the belt conveyor running cost first.
[来源:原创] [作者:aywl] [日期:17-06-22] [热度:]
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